CVE-2023-29933
NixOS vulnerability analysis and mitigation

Overview

A segmentation fault vulnerability was discovered in the LLVM project (CVE-2023-29933) affecting the mlir::Block::getArgument component. The vulnerability was identified in commit bd456297 and affects various versions of LLVM Toolchain (NVD, Ubuntu).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 (Medium) with the following vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The vulnerability is classified as CWE-125 (Out-of-bounds Read) and requires local access with user interaction (NVD).

Impact

If exploited, this vulnerability could cause LLVM Toolchain to crash when processing specially crafted MLIR files, resulting in a denial of service. The vulnerability specifically affects the memory management functionality under certain circumstances (Ubuntu Security Notice).

Mitigation and workarounds

Fixed versions have been released for various distributions. Ubuntu has addressed this in version 1:15.0.7-3ubuntu0.23.04.1 for Ubuntu 23.04 and version 1:15.0.7-0ubuntu0.22.04.3 for Ubuntu 22.04 LTS. Users are advised to update their systems to the latest available versions (Ubuntu Security Notice).

Additional resources


SourceThis report was generated using AI

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